What was found
DURING ROUTINE C CHECK INSPECTION, FOUND AFT FUSELAGE LEFT SKIN CORRODED AT STATION 1606.000 LONGERON 28 LT. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED CORROSION. FOUND OUT OF LIMITS. REMOVED EXISTING REPAIR. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS AT STATION 1540.000 - 1606.000 IAW MESSAGE 1-1171160198-2 DATED 01/22/09, SRM 51-1-8 PAGES 17-18, SRM 53-2-0 PAGE 2P, SRM 53-1-0 PAGE 1, SRM 51-1-21, SRM 51-1-8B, SRM 53-5-2 FIGURE 1 ITEM "E", AND SRM 51-1-11.